package cn.kxm.sysInterceptor;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.kxm.pojo.Sysuser;

public class LoginSysuser implements Filter{

	

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest) arg0;
		HttpServletResponse response=(HttpServletResponse) arg1;
		Sysuser user=(Sysuser) request.getSession().getAttribute("user");
		StringBuffer url=request.getRequestURL();
		if(user==null&&url.indexOf("login")==-1){
			response.sendRedirect(request.getContextPath()+"/login.jsp");
		}else{
			arg2.doFilter(arg0, arg1);
		}
		
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}


}
